<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>Title</title>

    <link th:href="@{/css/bootstrap.min.css}" rel="stylesheet">
    <script th:src="@{/js/jquery-3.2.1.slim.min.js}"></script>
    <script th:src="@{/js/bootstrap.min.js}"></script>
</head>
<body>
    <div class="container">
        <h3>vip 2</h3>
        <div class="card">
            <div class="card-header">头部</div>
            <div class="card-body">3</div>
            <div class="card-footer">底部</div>
        </div>
    </div>
</body>
</html>